1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132113311341135113611371138113911401141114211431144114511461147114811491150 |
- /*
- * ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001,2002 Alexander Barton (alex@barton.de)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- * Please read the file COPYING, README and AUTHORS for more information.
- *
- * Configuration management (reading, parsing & validation)
- */
- #include "portab.h"
- static char UNUSED id[] = "$Id: conf.c,v 1.92.2.4 2007/04/03 22:08:52 fw Exp $";
- #include "imp.h"
- #include <assert.h>
- #include <errno.h>
- #ifdef PROTOTYPES
- # include <stdarg.h>
- #else
- # include <varargs.h>
- #endif
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <strings.h>
- #include <unistd.h>
- #include <pwd.h>
- #include <grp.h>
- #include <sys/types.h>
- #include <unistd.h>
- #ifdef HAVE_CTYPE_H
- # include <ctype.h>
- #endif
- #include "array.h"
- #include "ngircd.h"
- #include "conn.h"
- #include "client.h"
- #include "defines.h"
- #include "log.h"
- #include "resolve.h"
- #include "tool.h"
- #include "exp.h"
- #include "conf.h"
- static bool Use_Log = true;
- static CONF_SERVER New_Server;
- static int New_Server_Idx;
- static void Set_Defaults PARAMS(( bool InitServers ));
- static void Read_Config PARAMS(( void ));
- static void Validate_Config PARAMS(( bool TestOnly, bool Rehash ));
- static void Handle_GLOBAL PARAMS(( int Line, char *Var, char *Arg ));
- static void Handle_OPERATOR PARAMS(( int Line, char *Var, char *Arg ));
- static void Handle_SERVER PARAMS(( int Line, char *Var, char *Arg ));
- static void Handle_CHANNEL PARAMS(( int Line, char *Var, char *Arg ));
- static void Config_Error PARAMS(( const int Level, const char *Format, ... ));
- static void Config_Error_NaN PARAMS(( const int LINE, const char *Value ));
- static void Config_Error_TooLong PARAMS(( const int LINE, const char *Value ));
- static void Init_Server_Struct PARAMS(( CONF_SERVER *Server ));
- static char *
- strdup_warn(const char *str)
- {
- char *ptr = strdup(str);
- if (!ptr)
- Config_Error(LOG_ERR, "Could not allocate mem for string: %s", str);
- return ptr;
- }
- static void
- ports_puts(array *a)
- {
- size_t len;
- UINT16 *ports;
- len = array_length(a, sizeof(UINT16));
- if (len--) {
- ports = (UINT16*) array_start(a);
- printf("%u", (unsigned int) *ports);
- while (len--) {
- ports++;
- printf(", %u", (unsigned int) *ports);
- }
- }
- putc('\n', stdout);
- }
- static void
- ports_parse(array *a, int Line, char *Arg)
- {
- char *ptr;
- int port;
- UINT16 port16;
- array_trunc(a);
- /* Ports on that the server should listen. More port numbers
- * must be separated by "," */
- ptr = strtok( Arg, "," );
- while (ptr) {
- ngt_TrimStr( ptr );
- port = atol( ptr );
- if (port > 0 && port < 0xFFFF) {
- port16 = (UINT16) port;
- if (!array_catb(a, (char*)&port16, sizeof port16))
- Config_Error(LOG_ERR, "%s, line %d Could not add port number %ld: %s",
- NGIRCd_ConfFile, Line, port, strerror(errno));
- } else {
- Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Illegal port number %ld!",
- NGIRCd_ConfFile, Line, port );
- }
- ptr = strtok( NULL, "," );
- }
- }
- GLOBAL void
- Conf_Init( void )
- {
- Set_Defaults( true );
- Read_Config( );
- Validate_Config(false, false);
- } /* Config_Init */
- GLOBAL void
- Conf_Rehash( void )
- {
- Set_Defaults( false );
- Read_Config( );
- Validate_Config(false, true);
- /* Update CLIENT structure of local server */
- Client_SetInfo(Client_ThisServer(), Conf_ServerInfo);
- } /* Config_Rehash */
- GLOBAL int
- Conf_Test( void )
- {
- /* Read configuration, validate and output it. */
- struct passwd *pwd;
- struct group *grp;
- unsigned int i;
- char *topic;
- Use_Log = false;
- Set_Defaults( true );
- Read_Config( );
- Validate_Config(true, false);
- /* If stdin and stdout ("you can read our nice message and we can
- * read in your keypress") are valid tty's, wait for a key: */
- if( isatty( fileno( stdin )) && isatty( fileno( stdout ))) {
- puts( "OK, press enter to see a dump of your service configuration ..." );
- getchar( );
- } else {
- puts( "Ok, dump of your server configuration follows:\n" );
- }
- puts( "[GLOBAL]" );
- printf( " Name = %s\n", Conf_ServerName );
- printf( " Info = %s\n", Conf_ServerInfo );
- printf( " Password = %s\n", Conf_ServerPwd );
- printf( " AdminInfo1 = %s\n", Conf_ServerAdmin1 );
- printf( " AdminInfo2 = %s\n", Conf_ServerAdmin2 );
- printf( " AdminEMail = %s\n", Conf_ServerAdminMail );
- printf( " MotdFile = %s\n", Conf_MotdFile );
- printf( " MotdPhrase = %s\n", Conf_MotdPhrase );
- printf( " ChrootDir = %s\n", Conf_Chroot );
- printf( " PidFile = %s\n", Conf_PidFile);
- fputs(" Ports = ", stdout);
- ports_puts(&Conf_ListenPorts);
- printf( " Listen = %s\n", Conf_ListenAddress );
- pwd = getpwuid( Conf_UID );
- if( pwd ) printf( " ServerUID = %s\n", pwd->pw_name );
- else printf( " ServerUID = %ld\n", (long)Conf_UID );
- grp = getgrgid( Conf_GID );
- if( grp ) printf( " ServerGID = %s\n", grp->gr_name );
- else printf( " ServerGID = %ld\n", (long)Conf_GID );
- printf( " PingTimeout = %d\n", Conf_PingTimeout );
- printf( " PongTimeout = %d\n", Conf_PongTimeout );
- printf( " ConnectRetry = %d\n", Conf_ConnectRetry );
- printf( " OperCanUseMode = %s\n", Conf_OperCanMode == true ? "yes" : "no" );
- printf( " OperServerMode = %s\n", Conf_OperServerMode == true? "yes" : "no" );
- printf( " PredefChannelsOnly = %s\n", Conf_PredefChannelsOnly == true ? "yes" : "no" );
- printf( " MaxConnections = %ld\n", Conf_MaxConnections>0 ? Conf_MaxConnections : -1);
- printf( " MaxConnectionsIP = %d\n", Conf_MaxConnectionsIP>0 ? Conf_MaxConnectionsIP : -1);
- printf( " MaxJoins = %d\n\n", Conf_MaxJoins>0 ? Conf_MaxJoins : -1);
- for( i = 0; i < Conf_Oper_Count; i++ ) {
- if( ! Conf_Oper[i].name[0] ) continue;
- /* Valid "Operator" section */
- puts( "[OPERATOR]" );
- printf( " Name = %s\n", Conf_Oper[i].name );
- printf( " Password = %s\n", Conf_Oper[i].pwd );
- if ( Conf_Oper[i].mask ) printf( " Mask = %s\n", Conf_Oper[i].mask );
- puts( "" );
- }
- for( i = 0; i < MAX_SERVERS; i++ ) {
- if( ! Conf_Server[i].name[0] ) continue;
- /* Valid "Server" section */
- puts( "[SERVER]" );
- printf( " Name = %s\n", Conf_Server[i].name );
- printf( " Host = %s\n", Conf_Server[i].host );
- printf( " Port = %u\n", (unsigned int)Conf_Server[i].port );
- printf( " MyPassword = %s\n", Conf_Server[i].pwd_in );
- printf( " PeerPassword = %s\n", Conf_Server[i].pwd_out );
- printf( " Group = %d\n\n", Conf_Server[i].group );
- }
- for( i = 0; i < Conf_Channel_Count; i++ ) {
- if( ! Conf_Channel[i].name[0] ) continue;
- /* Valid "Channel" section */
- puts( "[CHANNEL]" );
- printf( " Name = %s\n", Conf_Channel[i].name );
- printf( " Modes = %s\n", Conf_Channel[i].modes );
- printf( " Key = %s\n", Conf_Channel[i].key );
- printf( " MaxUsers = %lu\n", Conf_Channel[i].maxusers );
- topic = (char*)array_start(&Conf_Channel[i].topic);
- printf( " Topic = %s\n\n", topic ? topic : "");
- }
- return 0;
- } /* Conf_Test */
- GLOBAL void
- Conf_UnsetServer( CONN_ID Idx )
- {
- /* Set next time for next connection attempt, if this is a server
- * link that is (still) configured here. If the server is set as
- * "once", delete it from our configuration.
- * Non-Server-Connections will be silently ignored. */
- int i;
- time_t t;
- /* Check all our configured servers */
- for( i = 0; i < MAX_SERVERS; i++ ) {
- if( Conf_Server[i].conn_id != Idx ) continue;
- /* Gotcha! Mark server configuration as "unused": */
- Conf_Server[i].conn_id = NONE;
- if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) {
- /* Delete configuration here */
- Init_Server_Struct( &Conf_Server[i] );
- } else {
- /* Set time for next connect attempt */
- t = time(NULL);
- if (Conf_Server[i].lasttry < t - Conf_ConnectRetry) {
- /* The connection has been "long", so we don't
- * require the next attempt to be delayed. */
- Conf_Server[i].lasttry =
- t - Conf_ConnectRetry + RECONNECT_DELAY;
- } else
- Conf_Server[i].lasttry = t;
- }
- }
- } /* Conf_UnsetServer */
- GLOBAL void
- Conf_SetServer( int ConfServer, CONN_ID Idx )
- {
- /* Set connection for specified configured server */
- assert( ConfServer > NONE );
- assert( Idx > NONE );
- Conf_Server[ConfServer].conn_id = Idx;
- } /* Conf_SetServer */
- GLOBAL int
- Conf_GetServer( CONN_ID Idx )
- {
- /* Get index of server in configuration structure */
- int i = 0;
- assert( Idx > NONE );
- for( i = 0; i < MAX_SERVERS; i++ ) {
- if( Conf_Server[i].conn_id == Idx ) return i;
- }
- return NONE;
- } /* Conf_GetServer */
- GLOBAL bool
- Conf_EnableServer( char *Name, UINT16 Port )
- {
- /* Enable specified server and adjust port */
- int i;
- assert( Name != NULL );
- for( i = 0; i < MAX_SERVERS; i++ ) {
- if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) {
- /* Gotcha! Set port and enable server: */
- Conf_Server[i].port = Port;
- Conf_Server[i].flags &= ~CONF_SFLAG_DISABLED;
- return true;
- }
- }
- return false;
- } /* Conf_EnableServer */
- GLOBAL bool
- Conf_DisableServer( char *Name )
- {
- /* Enable specified server and adjust port */
- int i;
- assert( Name != NULL );
- for( i = 0; i < MAX_SERVERS; i++ ) {
- if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) {
- /* Gotcha! Disable and disconnect server: */
- Conf_Server[i].flags |= CONF_SFLAG_DISABLED;
- if( Conf_Server[i].conn_id > NONE ) Conn_Close( Conf_Server[i].conn_id, NULL, "Server link terminated on operator request", true);
- return true;
- }
- }
- return false;
- } /* Conf_DisableServer */
- GLOBAL bool
- Conf_AddServer( char *Name, UINT16 Port, char *Host, char *MyPwd, char *PeerPwd )
- {
- /* Add new server to configuration */
- int i;
- assert( Name != NULL );
- assert( Host != NULL );
- assert( MyPwd != NULL );
- assert( PeerPwd != NULL );
- /* Search unused item in server configuration structure */
- for( i = 0; i < MAX_SERVERS; i++ ) {
- /* Is this item used? */
- if( ! Conf_Server[i].name[0] ) break;
- }
- if( i >= MAX_SERVERS ) return false;
- Init_Server_Struct( &Conf_Server[i] );
- strlcpy( Conf_Server[i].name, Name, sizeof( Conf_Server[i].name ));
- strlcpy( Conf_Server[i].host, Host, sizeof( Conf_Server[i].host ));
- strlcpy( Conf_Server[i].pwd_out, MyPwd, sizeof( Conf_Server[i].pwd_out ));
- strlcpy( Conf_Server[i].pwd_in, PeerPwd, sizeof( Conf_Server[i].pwd_in ));
- Conf_Server[i].port = Port;
- Conf_Server[i].flags = CONF_SFLAG_ONCE;
- return true;
- } /* Conf_AddServer */
- static void
- Set_Defaults( bool InitServers )
- {
- /* Initialize configuration variables with default values. */
- int i;
- strcpy( Conf_ServerName, "" );
- snprintf( Conf_ServerInfo, sizeof Conf_ServerInfo, "%s %s", PACKAGE_NAME, PACKAGE_VERSION );
- strcpy( Conf_ServerPwd, "" );
- strcpy( Conf_ServerAdmin1, "" );
- strcpy( Conf_ServerAdmin2, "" );
- strcpy( Conf_ServerAdminMail, "" );
- strlcpy( Conf_MotdFile, SYSCONFDIR, sizeof( Conf_MotdFile ));
- strlcat( Conf_MotdFile, MOTD_FILE, sizeof( Conf_MotdFile ));
- strlcpy( Conf_MotdPhrase, MOTD_PHRASE, sizeof( Conf_MotdPhrase ));
- strlcpy( Conf_Chroot, CHROOT_DIR, sizeof( Conf_Chroot ));
- strlcpy( Conf_PidFile, PID_FILE, sizeof( Conf_PidFile ));
- strcpy( Conf_ListenAddress, "" );
- Conf_UID = Conf_GID = 0;
- Conf_PingTimeout = 120;
- Conf_PongTimeout = 20;
- Conf_ConnectRetry = 60;
- Conf_Oper_Count = 0;
- Conf_Channel_Count = 0;
- Conf_OperCanMode = false;
- Conf_PredefChannelsOnly = false;
- Conf_OperServerMode = false;
- Conf_MaxConnections = -1;
- Conf_MaxConnectionsIP = 5;
- Conf_MaxJoins = 10;
- /* Initialize server configuration structures */
- if( InitServers ) for( i = 0; i < MAX_SERVERS; Init_Server_Struct( &Conf_Server[i++] ));
- } /* Set_Defaults */
- static void
- Read_Config( void )
- {
- /* Read configuration file. */
- char section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
- const UINT16 defaultport = 6667;
- int line, i, n;
- FILE *fd;
- /* Open configuration file */
- fd = fopen( NGIRCd_ConfFile, "r" );
- if( ! fd ) {
- /* No configuration file found! */
- Config_Error( LOG_ALERT, "Can't read configuration \"%s\": %s",
- NGIRCd_ConfFile, strerror( errno ));
- Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME );
- exit( 1 );
- }
- Config_Error( LOG_INFO, "Reading configuration from \"%s\" ...", NGIRCd_ConfFile );
- /* Clean up server configuration structure: mark all already
- * configured servers as "once" so that they are deleted
- * after the next disconnect and delete all unused servers.
- * And delete all servers which are "duplicates" of servers
- * that are already marked as "once" (such servers have been
- * created by the last rehash but are now useless). */
- for( i = 0; i < MAX_SERVERS; i++ ) {
- if( Conf_Server[i].conn_id == NONE ) Init_Server_Struct( &Conf_Server[i] );
- else {
- /* This structure is in use ... */
- if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) {
- /* Check for duplicates */
- for( n = 0; n < MAX_SERVERS; n++ ) {
- if( n == i ) continue;
- if( Conf_Server[i].conn_id == Conf_Server[n].conn_id ) {
- Init_Server_Struct( &Conf_Server[n] );
- #ifdef DEBUG
- Log(LOG_DEBUG,"Deleted unused duplicate server %d (kept %d).",
- n, i );
- #endif
- }
- }
- } else {
- /* Mark server as "once" */
- Conf_Server[i].flags |= CONF_SFLAG_ONCE;
- Log( LOG_DEBUG, "Marked server %d as \"once\"", i );
- }
- }
- }
- /* Initialize variables */
- line = 0;
- strcpy( section, "" );
- Init_Server_Struct( &New_Server );
- New_Server_Idx = NONE;
- /* Read configuration file */
- while( true ) {
- if( ! fgets( str, LINE_LEN, fd )) break;
- ngt_TrimStr( str );
- line++;
- /* Skip comments and empty lines */
- if( str[0] == ';' || str[0] == '#' || str[0] == '\0' ) continue;
- /* Is this the beginning of a new section? */
- if(( str[0] == '[' ) && ( str[strlen( str ) - 1] == ']' )) {
- strlcpy( section, str, sizeof( section ));
- if( strcasecmp( section, "[GLOBAL]" ) == 0 )
- continue;
- if( strcasecmp( section, "[OPERATOR]" ) == 0 ) {
- if( Conf_Oper_Count + 1 > MAX_OPERATORS )
- Config_Error( LOG_ERR, "Too many operators configured.");
- else {
- /* Initialize new operator structure */
- Conf_Oper[Conf_Oper_Count].name[0] = '\0';
- Conf_Oper[Conf_Oper_Count].pwd[0] = '\0';
- if (Conf_Oper[Conf_Oper_Count].mask) {
- free(Conf_Oper[Conf_Oper_Count].mask );
- Conf_Oper[Conf_Oper_Count].mask = NULL;
- }
- Conf_Oper_Count++;
- }
- continue;
- }
- if( strcasecmp( section, "[SERVER]" ) == 0 ) {
- /* Check if there is already a server to add */
- if( New_Server.name[0] ) {
- /* Copy data to "real" server structure */
- assert( New_Server_Idx > NONE );
- Conf_Server[New_Server_Idx] = New_Server;
- }
- /* Re-init structure for new server */
- Init_Server_Struct( &New_Server );
- /* Search unused item in server configuration structure */
- for( i = 0; i < MAX_SERVERS; i++ ) {
- /* Is this item used? */
- if( ! Conf_Server[i].name[0] ) break;
- }
- if( i >= MAX_SERVERS ) {
- /* Oops, no free item found! */
- Config_Error( LOG_ERR, "Too many servers configured." );
- New_Server_Idx = NONE;
- }
- else New_Server_Idx = i;
- continue;
- }
- if( strcasecmp( section, "[CHANNEL]" ) == 0 ) {
- if( Conf_Channel_Count + 1 > MAX_DEFCHANNELS ) {
- Config_Error( LOG_ERR, "Too many pre-defined channels configured." );
- } else {
- /* Initialize new channel structure */
- strcpy( Conf_Channel[Conf_Channel_Count].name, "" );
- strcpy( Conf_Channel[Conf_Channel_Count].modes, "" );
- strcpy( Conf_Channel[Conf_Channel_Count].key, "" );
- Conf_Channel[Conf_Channel_Count].maxusers = 0;
- array_free(&Conf_Channel[Conf_Channel_Count].topic);
- Conf_Channel_Count++;
- }
- continue;
- }
- Config_Error( LOG_ERR, "%s, line %d: Unknown section \"%s\"!", NGIRCd_ConfFile, line, section );
- section[0] = 0x1;
- }
- if( section[0] == 0x1 ) continue;
- /* Split line into variable name and parameters */
- ptr = strchr( str, '=' );
- if( ! ptr ) {
- Config_Error( LOG_ERR, "%s, line %d: Syntax error!", NGIRCd_ConfFile, line );
- continue;
- }
- *ptr = '\0';
- var = str; ngt_TrimStr( var );
- arg = ptr + 1; ngt_TrimStr( arg );
- if( strcasecmp( section, "[GLOBAL]" ) == 0 ) Handle_GLOBAL( line, var, arg );
- else if( strcasecmp( section, "[OPERATOR]" ) == 0 ) Handle_OPERATOR( line, var, arg );
- else if( strcasecmp( section, "[SERVER]" ) == 0 ) Handle_SERVER( line, var, arg );
- else if( strcasecmp( section, "[CHANNEL]" ) == 0 ) Handle_CHANNEL( line, var, arg );
- else Config_Error( LOG_ERR, "%s, line %d: Variable \"%s\" outside section!", NGIRCd_ConfFile, line, var );
- }
- /* Close configuration file */
- fclose( fd );
- /* Check if there is still a server to add */
- if( New_Server.name[0] ) {
- /* Copy data to "real" server structure */
- assert( New_Server_Idx > NONE );
- Conf_Server[New_Server_Idx] = New_Server;
- }
- if (0 == array_length(&Conf_ListenPorts, sizeof(UINT16))) {
- if (!array_copyb(&Conf_ListenPorts, (char*) &defaultport, sizeof defaultport)) {
- Config_Error( LOG_ALERT, "Could not add default listening Port %u: %s",
- (unsigned int) defaultport, strerror(errno));
- exit( 1 );
- }
- }
- } /* Read_Config */
- static bool
- Check_ArgIsTrue( const char *Arg )
- {
- if( strcasecmp( Arg, "yes" ) == 0 ) return true;
- if( strcasecmp( Arg, "true" ) == 0 ) return true;
- if( atoi( Arg ) != 0 ) return true;
- return false;
- } /* Check_ArgIsTrue */
- static void
- Handle_GLOBAL( int Line, char *Var, char *Arg )
- {
- struct passwd *pwd;
- struct group *grp;
- size_t len;
-
- assert( Line > 0 );
- assert( Var != NULL );
- assert( Arg != NULL );
-
- if( strcasecmp( Var, "Name" ) == 0 ) {
- /* Server name */
- len = strlcpy( Conf_ServerName, Arg, sizeof( Conf_ServerName ));
- if (len >= sizeof( Conf_ServerName ))
- Config_Error_TooLong( Line, Var );
- return;
- }
- if( strcasecmp( Var, "Info" ) == 0 ) {
- /* Info text of server */
- len = strlcpy( Conf_ServerInfo, Arg, sizeof( Conf_ServerInfo ));
- if (len >= sizeof( Conf_ServerInfo ))
- Config_Error_TooLong ( Line, Var );
- return;
- }
- if( strcasecmp( Var, "Password" ) == 0 ) {
- /* Global server password */
- len = strlcpy( Conf_ServerPwd, Arg, sizeof( Conf_ServerPwd ));
- if (len >= sizeof( Conf_ServerPwd ))
- Config_Error_TooLong( Line, Var );
- return;
- }
- if( strcasecmp( Var, "AdminInfo1" ) == 0 ) {
- /* Administrative info #1 */
- len = strlcpy( Conf_ServerAdmin1, Arg, sizeof( Conf_ServerAdmin1 ));
- if (len >= sizeof( Conf_ServerAdmin1 ))
- Config_Error_TooLong ( Line, Var );
- return;
- }
- if( strcasecmp( Var, "AdminInfo2" ) == 0 ) {
- /* Administrative info #2 */
- len = strlcpy( Conf_ServerAdmin2, Arg, sizeof( Conf_ServerAdmin2 ));
- if (len >= sizeof( Conf_ServerAdmin2 ))
- Config_Error_TooLong ( Line, Var );
- return;
- }
- if( strcasecmp( Var, "AdminEMail" ) == 0 ) {
- /* Administrative email contact */
- len = strlcpy( Conf_ServerAdminMail, Arg, sizeof( Conf_ServerAdminMail ));
- if (len >= sizeof( Conf_ServerAdminMail ))
- Config_Error_TooLong( Line, Var );
- return;
- }
- if( strcasecmp( Var, "Ports" ) == 0 ) {
- ports_parse(&Conf_ListenPorts, Line, Arg);
- return;
- }
- if( strcasecmp( Var, "MotdFile" ) == 0 ) {
- /* "Message of the day" (MOTD) file */
- len = strlcpy( Conf_MotdFile, Arg, sizeof( Conf_MotdFile ));
- if (len >= sizeof( Conf_MotdFile ))
- Config_Error_TooLong( Line, Var );
- return;
- }
- if( strcasecmp( Var, "MotdPhrase" ) == 0 ) {
- /* "Message of the day" phrase (instead of file) */
- len = strlcpy( Conf_MotdPhrase, Arg, sizeof( Conf_MotdPhrase ));
- if (len >= sizeof( Conf_MotdPhrase ))
- Config_Error_TooLong( Line, Var );
- return;
- }
- if( strcasecmp( Var, "ChrootDir" ) == 0 ) {
- /* directory for chroot() */
- len = strlcpy( Conf_Chroot, Arg, sizeof( Conf_Chroot ));
- if (len >= sizeof( Conf_Chroot ))
- Config_Error_TooLong( Line, Var );
- return;
- }
- if ( strcasecmp( Var, "PidFile" ) == 0 ) {
- /* name of pidfile */
- len = strlcpy( Conf_PidFile, Arg, sizeof( Conf_PidFile ));
- if (len >= sizeof( Conf_PidFile ))
- Config_Error_TooLong( Line, Var );
- return;
- }
- if( strcasecmp( Var, "ServerUID" ) == 0 ) {
- /* UID the daemon should switch to */
- pwd = getpwnam( Arg );
- if( pwd ) Conf_UID = pwd->pw_uid;
- else {
- #ifdef HAVE_ISDIGIT
- if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var );
- else
- #endif
- Conf_UID = (unsigned int)atoi( Arg );
- }
- return;
- }
- if( strcasecmp( Var, "ServerGID" ) == 0 ) {
- /* GID the daemon should use */
- grp = getgrnam( Arg );
- if( grp ) Conf_GID = grp->gr_gid;
- else {
- #ifdef HAVE_ISDIGIT
- if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var );
- else
- #endif
- Conf_GID = (unsigned int)atoi( Arg );
- }
- return;
- }
- if( strcasecmp( Var, "PingTimeout" ) == 0 ) {
- /* PING timeout */
- Conf_PingTimeout = atoi( Arg );
- if( Conf_PingTimeout < 5 ) {
- Config_Error( LOG_WARNING, "%s, line %d: Value of \"PingTimeout\" too low!",
- NGIRCd_ConfFile, Line );
- Conf_PingTimeout = 5;
- }
- return;
- }
- if( strcasecmp( Var, "PongTimeout" ) == 0 ) {
- /* PONG timeout */
- Conf_PongTimeout = atoi( Arg );
- if( Conf_PongTimeout < 5 ) {
- Config_Error( LOG_WARNING, "%s, line %d: Value of \"PongTimeout\" too low!",
- NGIRCd_ConfFile, Line );
- Conf_PongTimeout = 5;
- }
- return;
- }
- if( strcasecmp( Var, "ConnectRetry" ) == 0 ) {
- /* Seconds between connection attempts to other servers */
- Conf_ConnectRetry = atoi( Arg );
- if( Conf_ConnectRetry < 5 ) {
- Config_Error( LOG_WARNING, "%s, line %d: Value of \"ConnectRetry\" too low!",
- NGIRCd_ConfFile, Line );
- Conf_ConnectRetry = 5;
- }
- return;
- }
- if( strcasecmp( Var, "PredefChannelsOnly" ) == 0 ) {
- /* Should we only allow pre-defined-channels? (i.e. users cannot create their own channels) */
- Conf_PredefChannelsOnly = Check_ArgIsTrue( Arg );
- return;
- }
- if( strcasecmp( Var, "OperCanUseMode" ) == 0 ) {
- /* Are IRC operators allowed to use MODE in channels they aren't Op in? */
- Conf_OperCanMode = Check_ArgIsTrue( Arg );
- return;
- }
- if( strcasecmp( Var, "OperServerMode" ) == 0 ) {
- /* Mask IRC operator as if coming from the server? (ircd-irc2 compat hack) */
- Conf_OperServerMode = Check_ArgIsTrue( Arg );
- return;
- }
- if( strcasecmp( Var, "MaxConnections" ) == 0 ) {
- /* Maximum number of connections. Values <= 0 are equal to "no limit". */
- #ifdef HAVE_ISDIGIT
- if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var);
- else
- #endif
- Conf_MaxConnections = atol( Arg );
- return;
- }
- if( strcasecmp( Var, "MaxConnectionsIP" ) == 0 ) {
- /* Maximum number of simultaneous connections from one IP. Values <= 0 -> "no limit" */
- #ifdef HAVE_ISDIGIT
- if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var );
- else
- #endif
- Conf_MaxConnectionsIP = atoi( Arg );
- return;
- }
- if( strcasecmp( Var, "MaxJoins" ) == 0 ) {
- /* Maximum number of channels a user can join. Values <= 0 are equal to "no limit". */
- #ifdef HAVE_ISDIGIT
- if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var );
- else
- #endif
- Conf_MaxJoins = atoi( Arg );
- return;
- }
- if( strcasecmp( Var, "Listen" ) == 0 ) {
- /* IP-Address to bind sockets */
- len = strlcpy( Conf_ListenAddress, Arg, sizeof( Conf_ListenAddress ));
- if (len >= sizeof( Conf_ListenAddress ))
- Config_Error_TooLong( Line, Var );
- return;
- }
- Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Unknown variable \"%s\"!",
- NGIRCd_ConfFile, Line, Var );
- } /* Handle_GLOBAL */
- static void
- Handle_OPERATOR( int Line, char *Var, char *Arg )
- {
- unsigned int opercount;
- size_t len;
- assert( Line > 0 );
- assert( Var != NULL );
- assert( Arg != NULL );
- assert( Conf_Oper_Count > 0 );
- if ( Conf_Oper_Count == 0 )
- return;
- opercount = Conf_Oper_Count - 1;
- if( strcasecmp( Var, "Name" ) == 0 ) {
- /* Name of IRC operator */
- len = strlcpy( Conf_Oper[opercount].name, Arg, sizeof( Conf_Oper[opercount].name ));
- if (len >= sizeof( Conf_Oper[opercount].name ))
- Config_Error_TooLong( Line, Var );
- return;
- }
- if( strcasecmp( Var, "Password" ) == 0 ) {
- /* Password of IRC operator */
- len = strlcpy( Conf_Oper[opercount].pwd, Arg, sizeof( Conf_Oper[opercount].pwd ));
- if (len >= sizeof( Conf_Oper[opercount].pwd ))
- Config_Error_TooLong( Line, Var );
- return;
- }
- if( strcasecmp( Var, "Mask" ) == 0 ) {
- if (Conf_Oper[opercount].mask) return; /* Hostname already configured */
- Conf_Oper[opercount].mask = strdup_warn( Arg );
- return;
- }
- Config_Error( LOG_ERR, "%s, line %d (section \"Operator\"): Unknown variable \"%s\"!",
- NGIRCd_ConfFile, Line, Var );
- } /* Handle_OPERATOR */
- static void
- Handle_SERVER( int Line, char *Var, char *Arg )
- {
- long port;
- size_t len;
-
- assert( Line > 0 );
- assert( Var != NULL );
- assert( Arg != NULL );
- /* Ignore server block if no space is left in server configuration structure */
- if( New_Server_Idx <= NONE ) return;
- if( strcasecmp( Var, "Host" ) == 0 ) {
- /* Hostname of the server */
- len = strlcpy( New_Server.host, Arg, sizeof( New_Server.host ));
- if (len >= sizeof( New_Server.host ))
- Config_Error_TooLong ( Line, Var );
- return;
- }
- if( strcasecmp( Var, "Name" ) == 0 ) {
- /* Name of the server ("Nick"/"ID") */
- len = strlcpy( New_Server.name, Arg, sizeof( New_Server.name ));
- if (len >= sizeof( New_Server.name ))
- Config_Error_TooLong( Line, Var );
- return;
- }
- if( strcasecmp( Var, "MyPassword" ) == 0 ) {
- /* Password of this server which is sent to the peer */
- if (*Arg == ':') {
- Config_Error(LOG_ERR,
- "%s, line %d (section \"Server\"): MyPassword must not start with ':'!",
- NGIRCd_ConfFile, Line);
- }
- len = strlcpy( New_Server.pwd_in, Arg, sizeof( New_Server.pwd_in ));
- if (len >= sizeof( New_Server.pwd_in ))
- Config_Error_TooLong( Line, Var );
- return;
- }
- if( strcasecmp( Var, "PeerPassword" ) == 0 ) {
- /* Passwort of the peer which must be received */
- len = strlcpy( New_Server.pwd_out, Arg, sizeof( New_Server.pwd_out ));
- if (len >= sizeof( New_Server.pwd_out ))
- Config_Error_TooLong( Line, Var );
- return;
- }
- if( strcasecmp( Var, "Port" ) == 0 ) {
- /* Port to which this server should connect */
- port = atol( Arg );
- if( port > 0 && port < 0xFFFF )
- New_Server.port = (UINT16)port;
- else
- Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Illegal port number %ld!",
- NGIRCd_ConfFile, Line, port );
- return;
- }
- if( strcasecmp( Var, "Group" ) == 0 ) {
- /* Server group */
- #ifdef HAVE_ISDIGIT
- if( ! isdigit( (int)*Arg ))
- Config_Error_NaN( Line, Var );
- else
- #endif
- New_Server.group = atoi( Arg );
- return;
- }
-
- Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Unknown variable \"%s\"!",
- NGIRCd_ConfFile, Line, Var );
- } /* Handle_SERVER */
- static bool
- Handle_Channelname(size_t chancount, const char *name)
- {
- size_t size = sizeof( Conf_Channel[chancount].name );
- char *dest = Conf_Channel[chancount].name;
- if (*name && *name != '#') {
- *dest = '#';
- --size;
- ++dest;
- }
- return size > strlcpy(dest, name, size);
- }
- static void
- Handle_CHANNEL( int Line, char *Var, char *Arg )
- {
- size_t len;
- size_t chancount = 0;
- assert( Line > 0 );
- assert( Var != NULL );
- assert( Arg != NULL );
- if (Conf_Channel_Count > 0)
- chancount = Conf_Channel_Count - 1;
- if( strcasecmp( Var, "Name" ) == 0 ) {
- if (!Handle_Channelname(chancount, Arg))
- Config_Error_TooLong( Line, Var );
- return;
- }
- if( strcasecmp( Var, "Modes" ) == 0 ) {
- /* Initial modes */
- len = strlcpy( Conf_Channel[chancount].modes, Arg, sizeof( Conf_Channel[chancount].modes ));
- if (len >= sizeof( Conf_Channel[chancount].modes ))
- Config_Error_TooLong( Line, Var );
- return;
- }
- if( strcasecmp( Var, "Topic" ) == 0 ) {
- /* Initial topic */
- if (!array_copys( &Conf_Channel[chancount].topic, Arg))
- Config_Error_TooLong( Line, Var );
- return;
- }
- if( strcasecmp( Var, "Key" ) == 0 ) {
- /* Initial Channel Key (mode k) */
- len = strlcpy(Conf_Channel[chancount].key, Arg, sizeof(Conf_Channel[chancount].key));
- if (len >= sizeof( Conf_Channel[chancount].key ))
- Config_Error_TooLong(Line, Var);
- return;
- }
- if( strcasecmp( Var, "MaxUsers" ) == 0 ) {
- /* maximum user limit, mode l */
- Conf_Channel[chancount].maxusers = (unsigned long) atol(Arg);
- if (Conf_Channel[chancount].maxusers == 0)
- Config_Error_NaN(Line, Var);
- return;
- }
- Config_Error( LOG_ERR, "%s, line %d (section \"Channel\"): Unknown variable \"%s\"!",
- NGIRCd_ConfFile, Line, Var );
- } /* Handle_CHANNEL */
- static void
- Validate_Config(bool Configtest, bool Rehash)
- {
- /* Validate configuration settings. */
- #ifdef DEBUG
- int i, servers, servers_once;
- #endif
- char *ptr;
- /* Validate configured server name, see RFC 2812 section 2.3.1 */
- ptr = Conf_ServerName;
- do {
- if (*ptr >= 'a' && *ptr <= 'z') continue;
- if (*ptr >= 'A' && *ptr <= 'Z') continue;
- if (*ptr >= '0' && *ptr <= '9') continue;
- if (ptr > Conf_ServerName) {
- if (*ptr == '.' || *ptr == '-')
- continue;
- }
- Conf_ServerName[0] = '\0';
- break;
- } while (*(++ptr));
- if (!Conf_ServerName[0]) {
- /* No server name configured! */
- Config_Error(LOG_ALERT,
- "No (valid) server name configured in \"%s\" (section 'Global': 'Name')!",
- NGIRCd_ConfFile);
- if (!Configtest && !Rehash) {
- Config_Error(LOG_ALERT,
- "%s exiting due to fatal errors!",
- PACKAGE_NAME);
- exit(1);
- }
- }
- if (Conf_ServerName[0] && !strchr(Conf_ServerName, '.')) {
- /* No dot in server name! */
- Config_Error(LOG_ALERT,
- "Invalid server name configured in \"%s\" (section 'Global': 'Name'): Dot missing!",
- NGIRCd_ConfFile);
- if (!Configtest) {
- Config_Error(LOG_ALERT,
- "%s exiting due to fatal errors!",
- PACKAGE_NAME);
- exit(1);
- }
- }
- #ifdef STRICT_RFC
- if (!Conf_ServerAdminMail[0]) {
- /* No administrative contact configured! */
- Config_Error(LOG_ALERT,
- "No administrator email address configured in \"%s\" ('AdminEMail')!",
- NGIRCd_ConfFile);
- if (!Configtest) {
- Config_Error(LOG_ALERT,
- "%s exiting due to fatal errors!",
- PACKAGE_NAME);
- exit(1);
- }
- }
- #endif
- if (!Conf_ServerAdmin1[0] && !Conf_ServerAdmin2[0]
- && !Conf_ServerAdminMail[0]) {
- /* No administrative information configured! */
- Config_Error(LOG_WARNING,
- "No administrative information configured but required by RFC!");
- }
- #ifdef DEBUG
- servers = servers_once = 0;
- for (i = 0; i < MAX_SERVERS; i++) {
- if (Conf_Server[i].name[0]) {
- servers++;
- if (Conf_Server[i].flags & CONF_SFLAG_ONCE)
- servers_once++;
- }
- }
- Log(LOG_DEBUG,
- "Configuration: Operators=%d, Servers=%d[%d], Channels=%d",
- Conf_Oper_Count, servers, servers_once, Conf_Channel_Count);
- #endif
- } /* Validate_Config */
- static void
- Config_Error_TooLong ( const int Line, const char *Item )
- {
- Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" too long!", NGIRCd_ConfFile, Line, Item );
- }
- static void
- Config_Error_NaN( const int Line, const char *Item )
- {
- Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" is not a number!",
- NGIRCd_ConfFile, Line, Item );
- }
- #ifdef PROTOTYPES
- static void Config_Error( const int Level, const char *Format, ... )
- #else
- static void Config_Error( Level, Format, va_alist )
- const int Level;
- const char *Format;
- va_dcl
- #endif
- {
- /* Error! Write to console and/or logfile. */
- char msg[MAX_LOG_MSG_LEN];
- va_list ap;
- assert( Format != NULL );
- #ifdef PROTOTYPES
- va_start( ap, Format );
- #else
- va_start( ap );
- #endif
- vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap );
- va_end( ap );
-
- /* During "normal operations" the log functions of the daemon should
- * be used, but during testing of the configuration file, all messages
- * should go directly to the console: */
- if (Use_Log) Log( Level, "%s", msg );
- else puts( msg );
- } /* Config_Error */
- static void
- Init_Server_Struct( CONF_SERVER *Server )
- {
- /* Initialize server configuration structur to default values */
- assert( Server != NULL );
- memset( Server, 0, sizeof (CONF_SERVER) );
- Server->group = NONE;
- Server->lasttry = time( NULL ) - Conf_ConnectRetry + STARTUP_DELAY;
- if( NGIRCd_Passive ) Server->flags = CONF_SFLAG_DISABLED;
- Resolve_Init(&Server->res_stat);
- Server->conn_id = NONE;
- } /* Init_Server_Struct */
- /* -eof- */
|